In my presentations, I may have several slides which feature a quote from a famous (sometimes not so famous) individual in the field. The quote may be a springboard into the topic or serve as support or reinforcement for the particular point I'm making.

The list looks pretty strong, but if you've got a go-to quote repository not listed, be sure to let us know where you get your quotes in the comments or send an email to tips at lifehacker.com.

Apparently Adam needs to pay closer attention - a reader writes in to point out that this was posted yesterday morning. Sorry!